單葉雙曲面 Save Sign in to save words Simplified: 单叶双曲面 dānyèshuāngqūmiàn ㄉㄢ ㄧㄝˋ ㄕㄨㄤ ㄑㄩ ㄇㄧㄢˋ one-sheeted hyperboloid math. Character by character 單(dān)bill 葉(yè)surname Ye 雙(shuāng)surname Shuang 曲(qū)surname Qu 面(miàn)face A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0